VP4040 is a premium two-component primer surfacer designed for high build and excellent filling of repairs. It provides excellent adhesion and gloss / color holdout. VP4040 sands easily without clogging the sandpaper, while providing excellent resistance to sand scratch swelling. Why Pros Choose Sherwin-Williams SWL . Compatibility Compatible paint systems: Urethane, 2K. Specifications Technical specifications for 2K Hs Urethane Primer - Gray Part No. P4101-1 Product Line SWL Manufacturer Sherwin-Williams Paint Company UPC 806298012707 Rubberized No About Sherwin-Williams Sherwin-Williams Automotive Finishes supplies the full refinish system — primers, basecoats, and clears — to collision and restoration shops nationwide. Frequently Asked Questions How fast does autofxmart ship Sherwin-Williams SWL?Most in-stock orders for Sherwin-Williams SWL ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup. Is this Sherwin-Williams product genuine?Yes. autofxmart is an authorized distributor of Sherwin-Williams products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact [email protected] and we will make it right. What is the manufacturer part number (MPN) for Sherwin-Williams SWL?The MPN for Sherwin-Williams SWL is P4101-1. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs. Why Buy from autofxmart Authorized distributor — authentic, factory-fresh stock. Fast US shipping — most orders ship within 1 business day. 30-day returns — buy with confidence. Pro-shop pricing — bulk discounts available on request. Expert support — questions? Email us at [email protected].